6801-2RS Hybrid Ceramic Bearing 12x21x5mm Si3N4 Premium ABEC-5

S6801-2RS Hybrid Ceramic Ball Bearing - Premium ABEC-5
✨ 12mm x 21mm x 5mm - Si3N4 Ceramic Balls - Stainless Steel - Double Sealed

The S6801-2RS is a high-performance hybrid ceramic deep groove ball bearing designed for smooth, low-friction rotation in tight spaces. With a stainless steel outer structure, Si3N4 ceramic balls, and rubber seals on both sides, it's built for high-speed, high-precision environments like 3D printers, robotics, and race-grade cycling.

🟢 1 hybrid ceramic bearing per pack
🟢 Size: 12mm ID x 21mm OD x 5mm width
🟢 Type: Deep groove radial bearing
🟢 Balls: Si3N4 ceramic - lightweight, hard, and heat-resistant
🟢 Rings: Stainless steel - corrosion resistant
🟢 Cage: Nylon - reduces weight and friction
🟢 Closures: Double rubber seals (2RS/RS1)
🟢 Lubrication: Pre-greased with SRL grease
🟢 Precision: ABEC-5 / EMQ electric motor quality
🟢 Clearance: C3 for thermal expansion and high RPM
🟢 Equivalent to: 6801-2RS1, 6801-2RZ